■ FEATURES

Single

(1) Case of single conversion.

(Continuous conversion is three times the data rate.)

(2) PGA2 can be used only. (PGA1 cannot be used.)

Two channels of VINP & VINN can be used.

(3) Bias voltage of VINP & VINN is common to VDD / 2.

Input Signal can be used VINP only.

●Supply Voltage +2.7V to +3.6V

●Ambient Operating Temperature

-40°C to +125°C

●ADC Resolution 16-Bit (No missing codes)

●Data Rate 0.814k to 6.51ksps(1)

●Input mode Differential

Single-ended (2)

Pseudo-differential (3)

●PGA 1V/V to 512V/V

●System Calibration for offset & gain drift

●Conversion mode Single / Continuous

●Interface SPI

●Package DFN8 (ESON8-V1) / 2.3mm x 2.3mm

SSOP8 / 3.5mm x 6.4mm

■ GENERAL DESCRIPTION

NJU9103 is a small size AFE with up to 512 times

internal PGA (Programmable Gain Amplifier).

Internal 16-bit ΔΣ type A / D converter can perform

conversion rates from 0.814ksps to 6.51ksps.

The customer can choose internal A/D converter’s

input, among single-ended input, differential input and

pseudo-differential input.

NJU9103 can set the optimum gain to the pressure

sensor, flow sensor by a wide range of gain setting.

Sensor of the offset is corrected by internal D / A

converter. Various parameters (such as gain,

conversion rate, correction) settings can be easily set in

the SPI communication from an external MCU.

NJU9103 will contribute to the customer's

development time reduction and the series product

release. NJU9103 is also can be mounted in a narrow

application footprint by a small 8-pin package. Package

is preparing the DFN and SSOP